package com.han.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.thymeleaf.util.StringUtils;

import javax.servlet.http.HttpSession;



@Controller
public class LoginController {

    @RequestMapping("/user/login")
    /**
     * 其中@RequestParam为接收请求参数并赋值给方法内定义的参数即username=》username
     */
    public String login(
            @RequestParam("username") String username,
            @RequestParam("password") String password,
            Model model,
            HttpSession session) {
        if (!StringUtils.isEmpty(username) && "123".equals(password)) {
            session.setAttribute("loginUser",username);
            return "redirect:/main.html";
        } else {
            model.addAttribute("msg","用户名或者密码不正确");
            return "index";
        }
    }
}
